42544210629 has 4 divisors (see below), whose sum is σ = 56725614176. Its totient is φ = 28362807084.

The previous prime is 42544210619. The next prime is 42544210649. The reversal of 42544210629 is 92601244524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42544210629 - 2⁴ = 42544210613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544210619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7090701769 + ... + 7090701774.

It is an arithmetic number, because the mean of its divisors is an integer number (14181403544).

Almost surely, 2^42544210629 is an apocalyptic number.

It is an amenable number.

42544210629 is a deficient number, since it is larger than the sum of its proper divisors (14181403547).

42544210629 is a wasteful number, since it uses less digits than its factorization.

42544210629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14181403546.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 42544210629 in words is "forty-two billion, five hundred forty-four million, two hundred ten thousand, six hundred twenty-nine".